JP2011207513A - One-touch cap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a one-touch cap equipped with sealability to a container mouth part and operability capable of performing cap attaching and detaching easily.SOLUTION: The one-touch cap 10 includes a cap body 20 equipped with a circular top face plate 21, covers the container mouth part Y and the center part 21a of which projects upward, and an annular outer tube part 23 in which the peripheral edge of a circumferential edge part is connected with the inner circumferential surface, and provided with two or more engaging wall 24 prolonged downward from the lower face of the circumferential edge part and engaging part 25 to lock an annular protrusion Z provided on the outer peripheral face of the container mouth part and to be located on the lower inner peripheral face of the engaging wall, and a packing 30 provided inside the cap body 20, wherein the packing is composed of a seal plate 31 and an engaged part 32 prolonged between engaging walls outward from the seal plate and the engaged part is locked with a packing stopper 26 formed on inner peripheral face of the outer tube part up and down movably and the center part of the top face plate is inverted in a sunken shape to make the engaging wall expand outward in the diameter direction to unlock the engaging part from the annular protrusion of the container mouth part.

Description

  The present invention is attached to an opening portion of a container that needs resealing filled with powder such as instant coffee or liquid such as fruit juice or salad oil, and can be easily opened and has a simple structure. It relates to a one-touch cap.

Conventionally, as a one-touch cap attached to a container mouth such as instant coffee or powdered milk, one that can be easily removed by a one-touch operation of pushing down the center of the lid made of the elastic resin material has been disclosed.
For example, Patent Document 1 (Japanese Patent Publication No. 55-10465) discloses a plastic in which the top plate of a cap is formed in a curved shape, and the sealing state with the container opening is switched by the elastic reversal operation of the resin material. A lid pressing release mechanism is described.
Patent Document 2 (Japanese Patent Application Laid-Open No. 2007-112497) discloses a top plate, a thin portion formed on the top plate periphery, and an inner periphery formed so as to hang downward from the top plate periphery. A cylindrical portion having a protruding portion, an inner cylindrical portion that is suspended from the inner surface of the top plate and is closely fitted and inserted into the inner surface of the bottle mouth, and a ring shape that is formed on the inner surface of the top surface and is elastically deformed and closely adhered to the top surface of the bottle mouth. A one-touch cap having a protrusion is described. This one-touch cap is attached and sealed to the bottle mouth, and when the center part of the cap top plate is pushed down, the protruding part of the inner surface of the cylindrical part that opens outward is released from the jaw part on the outer surface of the bottle mouth, and the cap is opened. It can be removed from the bottle mouth.

Japanese Patent Publication No.55-10465 JP 2007-112497 A

However, the conventional one-touch caps described in Patent Documents 1 and 2 may not be able to secure the pressing force to the container mouth portion generated by the elastic force of the cap top plate portion when the cap is mounted. There was a problem with sex.
Furthermore, in the one-touch cap of Patent Document 2, since the opening is sealed by inserting the inner cylindrical portion into the inside of the bottle mouth, the cap is not easily pulled out. There was also a problem that it could not be done easily.

  The present invention has been made to solve the above-described conventional problems, and is excellent in sealing and sealing with a container mouth portion when a cap is attached, and operability that allows an elderly person or an infant to easily attach and detach a cap. The purpose is to provide a one-touch cap.

One-touch cap of the present invention,
A top plate made of a circular edge covering the open end of the container mouth and having a central edge protruding upward and a peripheral edge having a flat edge,
An annular outer cylindrical portion whose outer peripheral end is connected to the inner peripheral surface,
A plurality of locking walls having a circular arc cross section extending downward from the lower surface of the peripheral edge;
A locking portion for locking an annular protrusion provided on the outer peripheral surface of the container mouth portion on the lower inner peripheral surface of the locking wall;
A cap body provided with
A packing provided in the cap body and covering the open end of the container mouth,
One-touch cap consisting of
The packing is
It consists of a circular seal plate covering the open end of the container and a plurality of locked portions extending outwardly between the lock walls from the seal plate,
The locked portion is locked in a vertically movable manner by a packing stopper formed on the inner peripheral surface of the outer cylindrical portion,
The central portion protruding above the top plate is elastically inverted into a concave shape by a pressing force from the outside, and the locking wall is expanded radially outward, whereby the locking portion of the locking wall is the container. The cap is released from the annular projection of the mouth portion, and the cap is detached from the container mouth portion.

  According to the present invention, the packing provided in the cap body includes a circular seal plate that covers the open end of the container, and the locked portion that extends outwardly between the locking walls is the inner periphery of the outer cylindrical portion of the cap body. The top end of the cap body is elastically inverted in a concave shape by engaging with the packing stop formed on the surface so that it can move up and down, so that the locking portion of the locking wall is separated from the annular protrusion of the container mouth portion. Since the cap is released and the cap is detached from the container mouth, it is possible to improve the seal sealing performance by packing the container mouth when the cap is attached, and for the elderly and infants with weak cap gripping force to attach and detach the cap. Operation can be performed easily.

It is explanatory drawing which shows the one-touch cap 10 which is an Example of this invention, (a) is a longitudinal cross-sectional view of a one-touch cap, (b) is the bottom view. In addition, the longitudinal cross-sectional view of (a) is an AB arrow view of (b). It is explanatory drawing which shows the state which removed the packing from the one-touch cap of FIG. 1, (a) is a left sectional view, a half sectional view which shows the right half side, (b) is the bottom view. It is explanatory drawing which shows the packing provided in the one-touch cap of FIG. 1, (a) is a left side cross section, The half cross section which shows a right half side surface, (b) is a top view. In addition, the half sectional view of (a) is a CD arrow view of (b). It is explanatory drawing of attachment or detachment to the container mouth part of a one-touch cap, (a) is sectional drawing which shows the sealing state with which the container mouth part was mounted | worn, (b) is a cross section which shows the state which pressed the center part of the top | upper surface board FIG.

A one-touch cap according to an embodiment of the present invention includes a cap body and a packing that is provided in the cap body and covers the open end of the container mouth.
The cap body has a circular shape that covers the open end of the container mouth portion, the center portion projects upward, and the outer peripheral end of the peripheral portion is connected to the inner peripheral surface. A cylindrical portion.
In addition, a plurality of locking walls having an arcuate cross section extending downward from the lower surface of the peripheral edge, and a locking portion for locking an annular protrusion provided on the outer peripheral surface of the container mouth portion on the lower inner peripheral surface of the locking wall And are provided.
The packing includes a circular seal plate that covers the open end of the container and a plurality of locked portions that extend outwardly from the seal plate between the locking portions. The locked portion is an inner peripheral surface of the outer cylindrical portion. It is locked by a packing stop formed on the top plate so that it can move up and down, and the central part protruding above the top plate is elastically inverted into a concave shape by a pressing force from the outside to expand the locking wall radially outward By doing so, the locking portion of the locking wall is released from the annular projection of the container mouth portion, and the cap is configured to be detached from the container mouth portion.
That is, the one-touch cap according to the present embodiment can prevent the leakage of the contents by improving the seal sealing property with the container mouth by arranging the packing in the cap main body so as to be movable up and down.
Furthermore, since the one-touch cap according to the present embodiment is not a mechanism that is inserted into the opening of the container and seals it, an elderly person or an infant with a weak cap gripping force can easily perform the cap attaching / detaching operation.
And the sealing state of a cap can be reliably cancelled | released only by the operation which pushes the center part of a top | upper surface board from the outside, and the reseal to a container mouth part is easy even after opening.
Since the packing stopper is provided in the outer cylindrical part that is separated from the locking wall having the locking part with the container, the one-touch cap can be easily detached from the container while the packing is held in the cap body. it can.

  The one-touch cap is a substantially cylindrical cap that is attached to an opening of a bottle container or can container for instant coffee, powdered milk, soft drinks, etc., and has a cap body made of synthetic resin having elasticity, and this cap It is comprised with the packing which consists of a comparatively soft material with which this body is mounted | worn.

The cap body has a top plate that is a circular shape that covers the open end of the container mouth, the central portion projects upward, the peripheral edge is flat, and the outer peripheral edge of the peripheral edge is connected to the inner peripheral surface. An annular outer cylinder is provided.
The lower surface of the peripheral portion is provided with a plurality of locking walls having an arcuate cross section extending downward, and a locking portion on the lower inner peripheral surface of the locking wall. An annular protrusion provided on the surface is locked.
The cap body is integrally manufactured by injection molding or the like using an elastic synthetic resin such as polyethylene, polypropylene, or polyester.

The packing is a soft resin sealing member that is provided in the cap body and seals the opening end of the container mouth, and includes a circular sealing plate that covers the opening end of the container, and the cap body from the periphery of the sealing plate. And a locked portion extending outwardly at a portion corresponding to between the locking walls, and is formed in a substantially X shape in plan view.
And the to-be-latched part extended from the seal board periphery of this packing is latched so that it can move up and down by the packing stop part formed in the internal peripheral surface of the outer side cylinder part of a cap main body.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is an explanatory view showing a one-touch cap 10 according to an embodiment of the present invention, wherein (a) is a longitudinal sectional view of the one-touch cap, and (b) is a bottom view thereof. In addition, the longitudinal cross-sectional view of (a) is an AB arrow view of (b).
2A and 2B are explanatory views showing the cap body with the packing removed from the one-touch cap of FIG. 1, wherein FIG. 2A is a left half section and a right half side view, and FIG. 2B is a cap body. FIG.
3A and 3B are explanatory views showing the packing provided in the one-touch cap of FIG. 1, wherein FIG. 3A is a half sectional view showing a left half section and a right half side face, and FIG. 3B is a plan view. In addition, the half sectional view of (a) is a CD arrow view of (b).
FIG. 4 is an explanatory view of attaching and detaching the one-touch cap to the container mouth, (a) is a sectional view showing a sealed state attached to the container mouth, and (b) is pressing the center part of the top plate. It is sectional drawing which shows a state.

The one-touch cap 10 includes a substantially cylindrical cap main body 20 having a top plate 21 whose central portion protrudes upward, and a packing 30 provided inside the cap main body 20.
The cap body 20 has a top plate 21 that is circular and covers the open end of the container mouth Y, and the central portion 21a projects upward. The outer periphery of the top plate 21 forms a flat peripheral portion 22. ing. The flat central portion 21 a is provided via a connecting portion extending inward and upward from the inner peripheral end of the peripheral edge portion 22.
The outer peripheral end of the peripheral edge portion 22 is connected to the inner peripheral surface of the annular outer cylindrical portion 23.
Further, from the lower surface of the peripheral portion 22, a plurality of locking walls 24 having an arcuate cross section extending downward, and a locking portion 25 is provided on the lower inner peripheral surface of the locking wall 24. An annular projection Z provided on the outer peripheral surface of the container mouth Y is locked.

As shown in FIG. 3, the packing 30 that seals the opening of the container mouth portion Y is made of a soft plate material such as a substantially X-shaped plastic or rubber, and is provided in the cap body 20 so as to be vertically movable. .
That is, the packing 30 is a sealing member made of a soft resin for sealing the open end of the container mouth Y, and includes a circular seal plate 31 that covers the open end of the container, and a part of the seal plate 31. Is provided with a locked portion 32 extending outward, and is formed in a substantially X shape in plan view.
That is, it is located between the locking walls 24 extending downward from the lower surface of the peripheral edge portion 22 of the top plate 21 of the cap body 20, and extends from the peripheral edge of the circular seal plate 31 to become a plurality of locked portions 32. The cap main body 20 is locked by a packing stopper 26 formed on the inner peripheral surface of the outer cylindrical portion 23 so as to be movable up and down.

Next, a usage pattern of the one-touch cap 10 configured as described above will be described with reference to FIG.
As shown in FIG. 4A, the one-touch cap 10 is mounted on the container mouth Y, and the locking portion 25 provided on the locking wall 24 of the cap body 20 is locked to the annular protrusion Z. Is held by.
At this time, the open end of the container mouth Y is covered and sealed by the seal plate 31 of the packing 30.
That is, the locking portion 25 of the locking wall 24 having an arcuate cross section extending downward from the peripheral edge portion 22 of the top plate 21 is locked to the annular protrusion Z provided on the outer surface of the container mouth Y, and the one-touch cap 10. Is prevented from coming off.
Thus, the locking portion 25 contracts inward by the elastic force upward of the top plate 21 and locks to the annular projection Z, so that the packing 30 is pressed and sealed to the open end of the container mouth Y, and the container Prevent leakage of contents inside.

When removing the one-touch cap 10 attached to the container mouth Y, the center portion 21a of the top plate 21 of the one-touch cap 10 is pressed downward from the outside.
As a result, as shown in FIG. 4 (b), the central portion 21a of the top plate protruding upward is elastically inverted into a concave shape to be slightly concave, and is formed extending downward from the peripheral portion 22 of the top plate 21. The formed locking wall 24 expands radially outward. That is, the locking wall 24 is deformed so as to extend outwardly downward.
And the latching | locking part 25 protruded and provided in the lower inner peripheral surface of the latching wall 24 is cancelled | released from the cyclic | annular protrusion Z of the outer surface of the container mouth part Y, and a cap detaches | leaves from a container mouth part.
In this way, the user can remove the one-touch cap 10 by grasping and pulling up the outer cylindrical portion 23 formed on the outer periphery of the one-touch cap 10.

At this time, in the packing 30, a plurality of locked portions 32 extending from the peripheral edge of the circular seal plate are locked by the packing locking portions 26 of the cap body 20 and are held in the cap body 20. Yes.
That is, when the central portion 21a of the top plate 21 protrudes upward (sealed state) and is displaced downward to be displaced in an elastically inverted state (non-sealed state), the packing in the cap body 20 is sealed. The one-touch cap 10 can be removed while the packing 30 is held in the cap body 20.
Thus, for example, the user can easily identify the mounting state of the one-touch cap 10 by allowing the user to visually recognize the marker printed on the upper side of the packing 30 through the top plate 21 formed of a transparent resin. It is possible to prevent alteration of the contents due to moisture absorption.

In powder containers such as instant coffee, it is common to open the cap by turning it. For this reason, a relatively large-capacity powder container has a large container diameter, it is difficult to hold the container with one hand, and it is difficult to open and close with a cap that can be rotated and opened.
The one-touch cap 10 of the present embodiment can open the cap by one operation of pressing the upper portion of the cap body 20, and when removing the cap, holds the outer cylindrical portion 23 formed on the outer periphery. And has the advantage that it only needs to be pulled up.

  The one-touch cap of the present invention is attached to the opening of a container that requires resealing filled with powder such as instant coffee or liquid such as fruit juice or salad oil, and can easily open the lid, Since the structure is simple, the industrial applicability is extremely high.

DESCRIPTION OF SYMBOLS 10 One-touch cap 20 Cap main body 21 Top surface plate 21a Center part of a top surface plate 22 Peripheral part 23 Outer cylinder part 24 Locking wall 25 Locking part 26 Packing stop part 30 Packing 31 Seal plate 32 Locked part Y Container mouth part Z Annular Protrusion

Claims (1)

A top plate made of a circular edge covering the open end of the container mouth and having a central edge protruding upward and a peripheral edge having a flat edge,
An annular outer cylindrical portion whose outer peripheral end is connected to the inner peripheral surface,
A plurality of locking walls having a circular arc cross section extending downward from the lower surface of the peripheral edge;
A locking portion for locking an annular protrusion provided on the outer peripheral surface of the container mouth portion on the lower inner peripheral surface of the locking wall;
A cap body provided with
A packing provided in the cap body and covering the open end of the container mouth,
One-touch cap consisting of
The packing is
It consists of a circular seal plate that covers the open end of the container and a plurality of locked portions that extend outwardly between the lock walls from the seal plate,
The locked portion is locked in a vertically movable manner by a packing stopper formed on the inner peripheral surface of the outer cylindrical portion,
The central portion protruding above the top plate is elastically inverted into a concave shape by a pressing force from the outside, and the locking wall is expanded radially outward, whereby the locking portion of the locking wall is the container. A one-touch cap, wherein the cap is released from the annular projection of the mouth and the cap is detached from the container mouth.

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